Abstract
Objective: To assess the impact of maternal obesity on the mode of delivery by comparing it with women of normal BMI.
Study design: Retrospective, observational cohort study.
Place & duration: Department of Obstetrics & Gynaecology, Quaid e Azam International Hospital from May 2017 to July 2017.
Methodology: Retrospective observational cohort study including 120 term patients at 37 complete weeks to 40 complete weeks; having a single fetus with cephalic presentation. Early pregnancy weight up to 20 weeks of gestation was taken to calculate BMI. Normal weight was considered <25kg/m2, Obese were with BMI > 30kg/m2. Mode of delivery and length of both stages of labour were determined and compared in both groups.
Results: In Group A 36.37% (n=22) and in Group B 43.33% (n=26) were between 37-38 weeks of gestation. In Group A 63.33% (n=38) and in Group B 56.67% (n=34) were between 39-40 weeks. Mean length of first stage of labour in Group-A (non-obese) was 8.21+6.56 hours versus 8.50+4.56 hours in Group-B (obese), the p-value was 0.274. In the second stage of labour these findings were 49.00+36.34 minutes in Group-A and 62.00+43.14 minutes in Group-B in the second stage of labour, the p-value was 0.050 which is statistically significant. whereas mode of delivery is concerned in Group A SVD took place in n=86 i.e. 71.7% and LSCS in n=32 i.e. 28.3%. In Group B SVD was in n=55 i.e. 45.9% and LSCS N=65 which comes out to be 54.7%.
Conclusion: The conclusion drawn from the study is that with maternal obesity risk of c section is significantly increased and in those where normal delivery takes place length of first stage and more significantly the second stage are increased.
Ghazala Sadiq, Riffat Mohsin. (2018) The Effect of Maternal Obesity on Mode of Delivery and Duration of Labour, Journal of the Society of Obstetrics and Gynaecologists of Pakistan , Volume-08, Issue-1.
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